The TPS22930AYZVT is a single-channel, high-side P-channel load switch from Texas Instruments. It switches a load rail from 1.4 V to 5.5 V and delivers up to 2 A continuously. The switch is controlled by a single On/Off logic input and does not require a separate Vcc supply. The input is non-inverting, so a logic high turns the output on. The slew-rate controlled turn-on limits inrush current when the load has a large input capacitance — useful for power-sequencing or hot-plug applications. Protection features include reverse current blocking and undervoltage lockout (UVLO). Reverse current protection prevents back-feed from the output to the input when the input voltage drops below the output — a common concern in multi-rail systems where a downstream rail holds up longer than the upstream supply.
Package, temperature grade, and layout notes
The 4-DSBGA package (0.88 x 0.88 mm) requires micro-vias or via-in-pad for fan-out. Mounting is surface-mount only. Because the DSBGA has no exposed thermal pad, the primary heat path is through the solder bumps into the board copper — ensure adequate copper area on the top layer under the package.
Texas Instruments has not issued an end-of-life notice for this part.